通过多元线性回归建立了充型速度随真空度、模样密度、浇注温度、金属静压头变化的经验计算公式，并研究了该公式在充型过程数值模拟中的应用。
An empiric calculated formula of mold filling as a function of vacuum rate, pattern density, pouring temperature and metal static head was established through multiple regression.
指出了耐火浇注料单位体积用量与体积密度定义上的区别，介绍了一种测试耐火浇注料单位体积用量的试验方法。
The difference between amount per unit volume and bulk density of refractory castable in definition is pointed out, a testing method of amount per unit volume of refractory castable is introduced.
研究了负压度、模样密度、浇注温度、金属静压头等工艺因素对消失模铸铁件充型速度的影响规律。
The filling speed of lost foam cast iron casting was measured by use of an integrated set of experimental equipment and a specially designed computer acquisition system.
它集重质耐火浇注料和轻质隔热浇注料的优点于一体，既具备强度高、耐高温的机械性能，又具备低体积密度、低导热率的隔热性能。
It has the advantage of the heavy quality refractory and the light quality and has the higher strength, high temperature resistant, low physical volume density and low heat transmit rate.
本文介绍了经不同方法加工处理后四种麦秸秆的可用性能，着重研究了流动性秸秆水泥复合材料的密度、强度以及可浇注性。
This paper introduces the availability of four wheat-straw processed by different method, put emphasis upon density, compression strength and castability of Flowing Straw-Cement composition.
提高金属液浇注温度及改良涂料，选用低密度泡沫塑料作模样材料对避免产生分层缺陷有帮助。
To avoid forming layer defect, rising pouring temperature are using improved coating and selecting low density styrofoam pattern are a great help.
采用密度测试法对从熔化到浇注过程的铝液精炼质量进行监控，对铝液精炼工艺的试验结果进行分析。
Density method are used to monitor and control the quality of aluminum liquid before cast, and the experimental result of aluminum alloys, refining technology are analyzed.
注浆成型是一种应用广泛的陶瓷成型工艺，但要浇注出密度高、微观结构均匀的坯体，配制稳定性好的浆料悬浮液是关键之一。
Slip casting process is extensively used in ceramic industry. But to obtain the body of high density and well-proportioned microstructure, it is important to prepare stable suspending liquid.
通过对锻造加热炉炉门破损原因的分析，制定了延长炉门使用寿命的技术措施，研制了密度低、抗热震性高的耐火浇注料。
Based on the damaging analysis of forge heating furnace gate, the technology measures are made to prolong the service life of the furnace gate.
同时给出能减轻密度偏析的最优浇注工艺参数组合。
A group of centrifugal pouring process parameters has also been provided, by which we can greatly abate the specific gravity segregation.
同时给出能减轻密度偏析的最优浇注工艺参数组合。
A group of centrifugal pouring process parameters has also been provided, by which we can greatly abate the specific gravity segregation.
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